Mattole River near Ettersburg, CA
River level and flood forecast · Humboldt County
Normal8.3 ftas of Mon 8 PM
Forecast to hold near 8.3 ft through Sat, Oct 17, 5 AM.
Flow: 6 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:30 AM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 28.11 ft — February 25, 2019
- 28.07 ft — December 21, 2025
- 26.83 ft — December 28, 2005
- 24.65 ft — March 30, 2012
- 24.53 ft — December 16, 2002
Recent crests: 28.07 ft (December 21, 2025) · 20.51 ft (February 3, 2025) · 24.28 ft (January 13, 2024) · 23.92 ft (March 13, 2023) · 23.66 ft (December 30, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ETTC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.